164017305

素因数分解:

$3^4\times 5^1\times {\mathrm{404981}}^1$

素因数の和:404998

約数の個数: 20

約数和(自身を含む): 294016932

約数和(自身を除く): 129999627

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 404981, 1214943, 2024905, 3644829, 6074715, 10934487, 18224145, 32803461, 54672435, 164017305]

約数ペア:

[(1, 164017305), (3, 54672435), (5, 32803461), (9, 18224145), (15, 10934487), (27, 6074715), (45, 3644829), (81, 2024905), (135, 1214943), (405, 404981)]